Removable journal-box.



F. G. KOEHLER.

REMOVABLE JOURNAL BOX. APPLICATION FILED MAY 2, 1913.

1 ,188,949. Patented June 27, 1916.

A Fig.1.

FRANK G. KOEHLEB, OFST. LOUIS MISSOURI.

REMOVABLE JOURNAL-BOX.

Application filed May 2, 1913.

To all whom it may concern Be it known that I, FRANK G. KoEHLnn, acitizen of the United States of America, and a resident of the city ofSt. Louis and State of Missouri, have invented certain new and usefulImprovements in Removable Journal-Boxes, of which the following is afull, clear, and exact description, reference being had to theaccompanying drawings, forming a part of this specification.

My invention relates to an improvement in trucks, the invention havingfor its object the production of a truck structure embodying pedestalsand bearings removably mounted therein, which latter are replaceable ata minimum expense due to the journal bearings only being discarded.

Figure I is a View, partly in elevation and partly in section, of atruck having my improvements embodied therein. Fig. II is a View of mytruck showing one of the pedestals partly in side elevation and partlyin vertical section. Fig. 111 is a perspective view of one of thepedestals. Fig. IV is a perspective view of one of the ournal bearm s.

Tn the drawings: A designates the side members of a truck of anyordinary construction, and B are the truck wheels on an axle C. The axleC is provided with journals D, (see Fig. I), which extend outwardlybeyond the hubs of the wheels.

1 designates the pedestals of my truck which may be secured to the sidesof the truck frame in any suitable manner. Each pedestal is providedwith a slit 2, extending downwardly from a point near the upper end ofthe pedestal, and due to the presence of which the pedestal is dividedinto two legs 3, which permit of the pedestal being contracted in width.The legs of the pedestals are spaced from each other at their lower endsto a sufiicient degree to permit the passage of the journals of thetruck axle through the gap between the legs, and each leg is providedwith a horizontal bolt hole 4 in alinement with a corresponding bolthole of the other leg, these bolt holes receiving a bolt 5 that spansthe gap between the pedestal legs. Each pedestal leg is provided at itsinner face with a concave socket 6, and extending inwardly in the legsfrom the walls of these sockets are grooves 7 which terminate at theirlower ends adjacent the lower ends of the sockets, and at their upperends at the location of a notch 8 Specification of Letters Patent.

Patented June 27, 1916.

Serial No. 765,030.

between the opposing sockets extending inwardly from the outer face ofthe pedestal.

9 designates cylindrical cup shaped journal bearings which seat betweenthe legs of the pedestals and have their open ends innermost in thepedestals in order that the car axle journals D may seat in the bearingsto turn therein, while the bearings remain stationary. The peripheriesof the bearings rest in contact with the walls of the sockets 6 and uponsuch peripheries, intermediate of the ends of the bearings, are lugs 10,which are positioned in the grooves 7 and serve to hold the bearingsfrom longitudinal movement in the pedestals during their service.

In assembling the parts herein described, the truck frame, with thepedestals attached thereto, is so disposed as to permit passage of thejournals of the truck axle through the gaps between the legs of thepedestals previous to the introduction or the bearings 9, and the bolts5. The journals having been positioned between the sockets G of thepedestal legs, the cylindrical cup shaped bearings 9 are introduced intothe pedestals in such manner that one of the lugs 10 of each hearingwill pass through the notch at the junction of the side sockets, whilethe other lug 10 is lowermost and occupies a po sition in the gapbetween the lower ends of the legs of the pedestal. The bearings 9 arethen rotated so that the lugs 10 will enter into the opposite grooves 7extending inwardly from the walls of the socket 6. Ai-

ter the bearings have been adjusted, as ex plained, the bolts 5 arepassed through the legs of the pedestals, and nuts are applied to thebolts to draw the pedestal legs to ward each other, with the result ofclamping the bearings tightly between the pedestal legs to hold themfrom movement, when the journals rotate therein during the use of thetruck.

When there is occasion for renewal of a journal hearing, it is onlynecessary to remove the bolt 5, thereby releasing the clamping actionupon the bearing to be removed, and said bearing may be so adjusted asto dispose its lugs 10 so that the latter may he slipped out of thepedestal through the notch 8, and the gap between the lower ends of thepedestal legs, previous to the introduction and securing of a newbearing in the same manner as that first described. For convenience ininsertion, removal and V adjustment of the bearings, I provide slots topartially rotate the bearings.

It will be quite apparent thatby my improvement I provide a constructionand arrangement which permits the renewal of journal bearings of trucksat a minimum of expense and labor. The bearings utilized may bemanufactured at slight cost, and discarded when worn without discardingthe entire pedestal. in which they are used; and the labor involved inreplacing thebearings being very slight, the substitution of a newbearing for a worn one may be expeditiously performed.

I claim r 1. The combination of a truck pedestal open at the bottom toreceive a ournal, said pedestal being formed with a pair of legs each ofwhich is provided with an arcuate seat for the reception of a journalbox, an arcuate groove being formed in the pedestal structure, acylindrical journal box arranged between said legs and rotatably fittedto said arcuate seats, said cylindrical journal box being provided witha peripheral lu adapted to be inserted into said arcuate groove tointerlock said journal box with the pedestal, and means for retainingsaid lug in said arcuate groove, said means including a device forlimiting the rotary mov ment of said journal box.

2. The combination 01" a truck pedestal open at the bottom to receive ajournal, said pedestal being formed with a pair of legs each of which isprovided with an arcuate seat for the reception of a journal box, anarcuate groove being formed in the pedestal structure, a cylindricaljournal box arranged between said legs and rotatably fitted to saidarcuate seats, said. cylindrical journal box being provided with aperipheral lug adapted to be inserted into said arcuate groove tointerlock said ournal box with the pedestal, and means for retainlngsaid lug in said arcuate groove, said means including a bolt connectingthe ends of said legs and adapted to be engaged by the perlpheral lug onthe journal box so as to limit the rotary move ment of said journal box.

The combination of a truck pedestal open at the bottom to receive ajournal, said pedestal being formed with a pair of legs each having anarcuate seat for the reception of a journal box, a cylindrical journalbox arranged between said legs and rotatably fitted to the arcuate seatson said pedestal, the pedestal being providedwith a notch and an arcuategroove communicating with said notch, and said cylindrical journalbox-being provided with a peripheral lug adapted to pass through saidnotch and into said arcuate groove so as to interlock the journal boxwith the pedestal, and a stop journal, a journalrbox arranged within androtatably fitted to said pedestal, and'fastening means for securing saidjournal box in said pedestal; said fastening means including a lugformed on one of said parts and interlocked with the other, said journalbox being removable from the pedestal when turned to a predeterminedposition'with respect to said pedestal, and a removable stop forlimiting the rotary movement or said journal box to prevent'it fromturning to said predetermined position.

FRANK G. KOEHLER.

In the presence of- A. J. MCCAULEY, E. B. LINN.

Uople: of this patent may be obtained for five cents each, by addreuingthe "comminioncr 01 Patent.

walhington, D. G." i

